Problems from 2021 ICPC North America Regional Programming Contests (March 5 2022)

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Archery Accuracy0.01871433274%6.5Harden
Average Character0.00271819165691%2.0Easyen
Black and White0.0759218514880%4.8Mediumen
Circle Bounce0.002001018887%5.3Mediumen
Diagonals0.001853593966%7.4Harden
Dorm Room Divide0.0147625017470%6.3Harden
Double Password0.00192578240693%1.5Easyen
Fail Them All!0.008991438157%7.6Harden
Hopscotch 5000.1187817612672%6.9Harden
Overdraft0.00361295115289%2.0Easyen
Problem Set Construction0.01940513773%6.5Harden
Reversibly Cyclic Strings0.003130525885%3.2Mediumen
Rise and Fall0.008832823772%4.6Mediumen
Scaling Recipe0.003489181892%1.9Easyen
Shortest Missing Subsequences0.0939413810173%6.0Harden
Square Bounce0.00470614370%6.7Harden
Tetris Generation0.009039025666%6.0Harden
Tournament Seeding0.0122024720282%4.0Mediumen
Tree Hopping0.0289327620474%6.1Harden
Who Goes There?0.0011946637079%3.7Mediumen
XOR Island0.002791087368%6.7Harden